Figure 3

From: Influence of symmetry breaking degrees on surface plasmon polaritons propagation in branched silver nanowire waveguides

Figure 3

(a) Schematic diagram of the change of angle in an individual branched NW structure. (b) Selected bright-field optical images for three different branched structures (I, II, and III). The scale bar is 5 μm. The insets are corresponding SEM images of the junction section. The scale bar is 500 nm. (c) The output intensity at junction (triangles) and corresponding fitted output intensity (solid curves).